Dentistry – Method or material for testing – treating – restoring – or... – Endodontic
Patent
1990-06-18
1992-02-18
Wilson, John J.
Dentistry
Method or material for testing, treating, restoring, or...
Endodontic
4332011, 623 11, A61C 502
Patent
active
050889273
ABSTRACT:
A plastic article having heavy metal particles uniformly dispersed throughout the plastic article to produce a plastic article that is visible on an x-ray image of the plactic with one embodiment of the plastic article forming a solid tooth implant covered with a flowable gutta-percha filler material for insertion into the root canal of a tooth wherein a photoshadowgraph of a tooth containing the solid tooth implant and a solidified gutta-percha covering appears as a single image with the preferred mixture for the solid implant composition consists of about 50% by weight of a polymer plastic pellets and the balance about 50% by weigh of heavy metal particles selected from the group consisting of tungsten and tantalum particles.
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